• Wabigoon
  • Herbert Wright
• Walkerton
  • Park's Dairy
  • The People's Dairy
  • Walkerton Dairy
• Walkerville
  • Walkerside Dairy
• Wallaceburg
  • Jersey Dairy
  • Lambton-Kent Creameries
  • McGregor's Dairy
  • Sunshine Dairy
  • Wallaceburg Dairy
• Waterdown
  • Sunnybrook Dairy
• Waterford
  • Maple Leaf Dairy
  • Pine Grove Dairy
• Waterloo
  • J.L. Beese
  • Maple Lane Dairy
  • Model Dairy
• Watford
  • Watford Dairy
• Wawa
  • Langdon Co-op Dairy
• Welland
  • North Side Dairy
  • Pine Croft Dairy
  • Royal Ice Cream Co.
  • Sunnyside Dairy
  • Welland Dairy
• Wellesley
  • Wellesley Dairy
• West Lorne
  • Maple Leaf Dairy
• Weston
  • Balmoral Dairy
  • Riverside Farm Dairy
• Westport
  • Rideau View Dairy
• Wheatley
  • Wheatley Creamery
  • Wheatley Dairy
• Whitby
  • Hillcrest Dairy
• Wiarton
  • Bruce Dairy Products
• Winchester
  • Henderson Dairy
  • Steele's Dairy
  • Wincrest Dairy
• Windermere
  • Windermere Dairy
• Windsor
  • Border Cities Dairy & Creamery Co.
  • Countryside Quality Dairies
  • Peerless Countryside Dairies Ltd.
  • Purity Dairies Ltd.
  • Twin Pines Dairy
• Wingham
  • Bateson's Model Dairy
  • Foxton Dairy
  • Smith's Dairy
  • Sunrise Dairy
  • Tervit's Model Dairy
• Woodbridge
  • Patterson's Dairy
  • Woodbridge Dairy
• Woodslee
  • J. Srigley & Son
• Woodstock
  • Central Dairy Ltd.
  • Maple Dairy
  • Oxford Dairy Ltd.
  • Woodstock Dairy Co. Ltd.
• Wyoming
  • Wyoming Dairy